Lewis Gilbert Director, Screenwriter Virginia McKenna Violette Szabo Actor Paul Scofield Capt. Tony Fraser Actor Jack Warner Mr. Charles Bushell Actor Denise Grey Mrs. Bushell Actor Alain Saury Etienne Szabo Actor Maurice Ronet Jacques Actor Anne Leon Lillian Rolfe Actor Sydney Tafler Potter Actor Vernon Harris Screenwriter Daniel M Angel Producer Earl St. John Executive Producer William Alwyn Original Music John Wilcox Cinematographer John Shirley Film Editing Bernard Robinson Art Director Phyllis Dalton Costume Design